A woman sells fruits in a market in Kasese, the hometown of King of the Rwenzururu Charles Wesley Mumbere, as calm returns a week after a gun fight between Uganda security and the king's royal guards, in Kasese town western Uganda bordering with Democratic Republic of Congo, December 1, 2016. (Photo by James Akena/Reuters)

A street vendor displays food at a stall in Khartoum, Sudan December 1, 2016. Picture taken December 1, 2016. (Photo by Mohamed Nureldin Abdallah/Reuters)

A woman sells merchandise at a market in Serekunda, Gambia December 3, 2016. (Photo by Thierry Gouegnon/Reuters)

A woman puts dry fish on a cloth at a market in Serekunda, Gambia, December 3, 2016. (Photo by Thierry Gouegnon/Reuters)

A young apples seller is seen at a market in Serekunda, Gambia, December 3, 2016. (Photo by Thierry Gouegnon/Reuters)

Vegetables sellers wait for the customers at a market in Hanoi, Vietnam December 5, 2016. (Photo by Reuters/Kham)

Sellers display pork for sale at a market in Hanoi, Vietnam December 5, 2016. (Photo by Reuters/Kham)

A food seller reads a newspaper while she waits for customers at a market in Hanoi, Vietnam December 5, 2016. (Photo by Reuters/Kham)

A vendor displays his goods in Khartoum, Sudan December 1, 2016. (Photo by Mohamed Nureldin Abdallah./Reuters)

A cashier counts Venezuelan bolivar notes at a market in downtown Caracas, Venezuela, December 7, 2016. (Photo by Ueslei Marcelino/Reuters)

A seller arranges toys ahead of celebrations marking the religious holiday of Mawlid al-Nabi, the birthday of Prophet Mohammad, in Benghazi, Libya, December 8, 2016. (Photo by Esam Omran Al-Fetori/Reuters)

A woman walks past a stall at a market in Banjul, Gambia December 15, 2016. (Photo by Afolabi Sotunde/Reuters)

Chilies are seen for sale at a traditional market in Jakarta, Indonesia December 16, 2016. (Photo by Fatima El-Kareem/Reuters)

A Syrian refugee transports a vegetable cart during rainy weather at the Al Zaatari refugee camp in the Jordanian city of Mafraq, near the border with Syria December 18, 2016. (Photo by Muhammad Hamed/Reuters)

People shop for fish at a wet market in Singapore March 23, 2016. (Photo by Edgar Su/Reuters)

People walk past a shop in Apraksin Dvor, a market which has existed since the eighteenth century, in central St. Petersburg, Russia February 20, 2013. (Photo by Alexander Demianchuk/Reuters)

A displaced Iraqi boy who fled the Islamic State stronghold of Mosul, is selling second-hand shoes following heavy rain at Khazer camp, Iraq, December 19, 2016. (Photo by Ammar Awad/Reuters)

A fruit vendor waits to sell his goods outside a bank in central Harare, Zimbabwe December 19, 2016. (Photo by Philimon Bulawayo/Reuters)

People shop at an open air market in the Aegean town of Soke, home town of Mevlut Mert Altintas, an off-duty police officer who gunned down the Russian Ambassador to Turkey Andrei Karlov at an art gallery in Ankara, in Aydin province, Turkey, December 21, 2016. (Photo by Hakan Akgun/Reuters)

A butcher selling pork returns change to a customer at a market in Beijing, China March 25, 2016. (Photo by Jason Lee/Reuters)

A butcher cuts a piece of pork at a market in Beijing, China March 25, 2016. (Photo by Jason Lee/Reuters)

Vendors prepare fish to be sold at a local wet market in Navotas fish port, metro Manila, Philippines December 30, 2016. (Photo by Romeo Ranoco/Reuters)

A vendor throws a bucket of fish to be sold onto a pail at a local wet market in Navotas fish port, metro Manila, Philippines December 30, 2016. (Photo by Romeo Ranoco/Reuters)

Various fishes are placed in buckets to be sold at a wet market in Navotas fish port, metro Manila, Philippines December 30, 2016. (Photo by Romeo Ranoco/Reuters)

South Sudanese civilians conduct business at the market in Yei, southwest of the capital Juba, South Sudan January 1, 2017. (Photo by Jok Solomun/Reuters)

South Sudanese civilians conduct business at the market in Yei, southwest of the capital Juba, South Sudan January 1, 2017. (Photo by Jok Solomun/Reuters)

Street vendors sell chestnuts under the snow at Taksim Square in Istanbul on December 16, 2016. (Photo by Yasin Akgul/AFP Photo)